window.addEventListener(
	'scroll',
	function() {
		const clientHeight = document.documentElement.clientHeight;
		const scrollTop = document.documentElement.scrollTop;
		const scrollHeight = document.documentElement.scrollHeight;
		if (clientHeight + scrollTop >= scrollHeight) {
			// 检测到滚动至页面底部，进行后续操作
			// ...
		}
	},
	false
);
